Question

(Solve graphically): x^2 - 2x-8 = 0
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Answer 1

Answer:

x²-2x-8=0

x²+2x-4x-8=0

x(x+2)-4(x+2)=0

(x+2)(x-4)=0

(x+2)=0 (x-4)=0

x=-2 or 4